The diagnostics.png image shows the Status page, which appears after you click the System tab. From top to bottom, left to right, are the following elements: Status Information, which includes these labels: Uptime, Free Space, Version, Backup Status, OKV Server Certificate Expiration Date. To the right of the Status Information section is a pie chart showing Disk Usage for Oracle Key Vault (not the overall system). At the upper right corner is the Download Diagnostics button.